Weschler Products Overview  (pdf) Weschler Products Overview - Spanish  (pdf) Weschler manufactures measuring, display, control and protection instrumentation for utility and process control applications. These Weschler products are designed for years of trouble-free use in new or replacement applications. Digital Bargraph Meters  Combine a precise digital readout with a vivid proportional display.  Available in many popular sizes with single or tri-color bar. Digital Power Meters Triple display switchboard meters for readout of AC line (mains) parameters. Analog Meters Industry standard Westinghouse style switchboard and panel meters.   Transformer Advantage Temperature monitors for oil-filled transformers & load tap changers. Slimline Digital Panel Meters Easy to install, low profile NES meters. Zahn Cup Viscosimeters Simple-to-use mechanical gauge for checking viscosity of liquids. Columbia Tong Ammeters Rugged clamp-on analog meters for AC or DC measurements to 1000A.  Acrobat Reader  is required to view the pdf documents on this site.